import machine,time,sys,os
from machine import Pin, PWM, UART, I2C
import _thread

led_BD=Pin(2, Pin.OUT)
led_BD.value(1)
#此代码为任务计算机端代码，负责自主导航，避障，通信，任务负载，光学负载，机载计算

i2c =I2C(scl=Pin(23),sda=Pin(22),freq=100000)
#初始化I2c

